console.log('hello world');

var http =require('http');
var net = require('net');
var server = http.createServer(function(req,res){
    res.end('hello,worldaa!');
    });

    server.listen(8080,function(err){
        if(err){
            console.error('bind 8080 err');
        }else{
            console.info('server has bind in 8080');
        }
    });